From Wikipedia, the free encyclopedia

Lock may refer to:

• Lock (surname)

Mechanical devices

• Lock (device), a mechanical device used to secure possessions, can be used with keys or number locks.
• Lock (firearm), the ignition mechanism of small arms.
• Lock (water transport), an enclosure in a navigable canal or river which enables ships and boats to pass between sections of the waterway at different levels

Technology

• Lock (computer science), a bookkeeping object associated with a piece of data that is used to serialize concurrent access
• Lock (database), a feature used when multiple users access a database concurrently
• Lock (weapons guidance), an indication the missile seeker system has a suitable or adequate acquisition fix to hit successfully if launched
• SIM lock, a feature that restricts a mobile phone to only work in certain countries or with certain providers
• File locking, a feature that controls access to whole files or parts of them

Sport

• Lock (rugby league), a player position in rugby league
• Lock (rugby union), a player position in rugby union

Entertainment

• Lock (Saga of the Skolian Empire), a fictional sentient machine in the novels by Catherine Asaro

Other

• Lock of hair, a tuft or small bundle of hair
• Lock, South Australia, a small town located in the centre of the Eyre Peninsula

See also

• -lock, an article about the Old English suffix
• Locke, a common English surname and place name
• Loch, a Gaelic term used in Scotland to describe lakes and other bodies of water
• Locked (single), by Mutha's Day Out
• Locking (disambiguation)
• Lox, cured salmon filet

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.

From LoveToKnow 1911

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Definition from Wiktionary, a free dictionary

Wikipedia has articles on:

Lock

Wikipedia

English

Pronunciation

• (RP) IPA: /lɒk/
• (GenAm) IPA: /lɑːk/
•  Audio (US)^{help, file}
• Rhymes: -ɒk

Etymology 1

A key lock. (a device requiring a key or a combination to be opened)

A lock (canal segment).

Old English loc, from Proto-Germanic *lokam

Noun

lock (plural locks)

1. Something used for fastening, which can only be opened with a key or combination.
   • 1883, Robert Louis Stevenson, Treasure Island

     "Give me the key," said my mother; and though the lock was very stiff, she had turned it and thrown back the lid in a twinkling.

2. (computing, by extension) A mutex or other token restricting access to a resource.
   • 2005, Karl Kopper, The Linux Enterprise Cluster

     ...the application must first acquire a lock on a file or a portion of a file before reading data and modifying it.

3. A segment of a canal or other waterway enclosed by gates, used for raising and lowering boats between levels.
   • 1846, William Makepeace Thackeray, Notes of a Journey from Cornhill to Grand Cairo

     Here the canal came to a check, ending abruptly with a large lock.

4. The firing mechanism of a gun.
   • 1837, Charles Dickens, The Pickwick Papers

     "I never saw such a gun in my life," replied poor Winkle, looking at the lock, as if that would do any good.

5. Complete control over a situation.
   • 2003, Charley Rosen, The Wizard of Odds

     Even though he had not yet done so, Jack felt he had a lock on the game.

6. Something sure to be a success.
   • 2004, Avery Corman, A perfect divorce

     Brian thinks she's a lock to get a scholarship somewhere.

7. (rugby) A player in the scrum behind the front row, usually the tallest members of the team.

Derived terms

Translations

Etymology 2

Old English locc. Cognate with Old Norse lokkr ( > Danish lok), German Locke. It has been theorised that the word may be related to the Gothic verb 𐌻𐌿𐌺𐌰𐌽 (lukan), “‘to shut’”) in its ancient meaning to curb.

Noun

lock (plural locks)

1. tuft or length of hair
   • 1847, Emily Brontë, Wuthering Heights

     If I consent to burn them, will you promise faithfully neither to send nor receive a letter again, nor a book (for I perceive you have sent him books), nor locks of hair, nor rings, nor playthings?

Derived terms

• daglock
• elflock
• sidelock

Translations

Etymology 3

Old English lūcan

Verb

to lock (third-person singular simple present locks, present participle locking, simple past and past participle locked)

1. (intransitive) To become fastened in place.

   If you put the brakes on too hard, the wheels will lock.

2. (transitive) To fasten with a lock.

   Remember to lock the door when you leave.

3. (intransitive) To be capable of becoming fastened in place.

   This door locks with a key.

4. (transitive) To intertwine or dovetail.

   with his hands locked behind his back

   We locked arms and stepped out into the night.

5. (intransitive, break dancing) To freeze one's body or a part thereof in place.

   a pop and lock routine

Antonyms

• unlock

Derived terms

Translations

Swedish

Pronunciation

•  audio^{help, file}

Noun

lock c.

1. lock of hair
2. cover, lid
3. popping (as when ears pop)^[1]

Synonyms

• hårlock

Derived terms

• Få lock för örat: be deafened. When you have bad hearing from the change in air pressure due to an air plane flight. So it’s sort of like having a casserole cover in your ear ^[2]

References

• Notes:

1. ^ Grief Gondola, #2 by Tomas Tranströmer, verse VI
2. ^ [1]

From Wikispecies

(1942- )

From BibleWiki

The Hebrews usually secured their doors by bars of wood or iron (Isa. 45:2; 1 Kings 4:3). These were the locks originally used, and were opened and shut by large keys applied through an opening in the outside (Judg. 3:24). (See KEY.)

Lock of hair (Judg. 16:13, 19; Ezek. 8:3; Num. 6:5, etc.).

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